Neutrinos ... win the minimalist contest: zero charge, zero radius, and very possibly zero mass.
Leon M. LedermanTheorists tend to peak at an early age; the creative juices tend to gush very early and start drying up past the age of fifteen-or so it seems. They need to know just enough; when they're young they haven't accumulated the intellectual baggage.
Leon M. LedermanI started out as a molecules kid. In high school and early college I loved chemistry, but I gradually shifted toward physics, which seemed cleaner - odorless, in fact.
Leon M. Lederman